A good thing about arguing and then making up is that the next time it happens you l that everything will be alright when you wake up the next morning.
You might not feel it the moment while arguing, but you know it on an unconscious level.
... is that it programmed us for to keep improving.
But that also comes bundled with loss of perspective. We get anxious when today is lightly worse than yesterday without seeing the big beautiful picture. That is sad.
BUT evolution also gave us reason. With this power we can know our bias and work to overcome it.
Anthropromorphism is the attribution of human characteristics to objects.
We do this all the time - in our thinking, stories, jokes, and dreams. And often times we don't realize we are doing it.
Even many things we think of as fundamental are in reality not facts about the world so much as they are facts about humans.
I think there is a Shakespeare quotes that goes something like "Nothing is good or bad, but thinking makes it so."